GB2345831B - Device for detecting synchronization in a digital broadcasting receiving system - Google Patents
Device for detecting synchronization in a digital broadcasting receiving systemInfo
- Publication number
- GB2345831B GB2345831B GB9926439A GB9926439A GB2345831B GB 2345831 B GB2345831 B GB 2345831B GB 9926439 A GB9926439 A GB 9926439A GB 9926439 A GB9926439 A GB 9926439A GB 2345831 B GB2345831 B GB 2345831B
- Authority
- GB
- United Kingdom
- Prior art keywords
- receiving system
- digital broadcasting
- broadcasting receiving
- detecting synchronization
- synchronization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980047676A KR100510637B1 (en) | 1998-11-07 | 1998-11-07 | Synchronous Detection Device in DVB System |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9926439D0 GB9926439D0 (en) | 2000-01-12 |
GB2345831A GB2345831A (en) | 2000-07-19 |
GB2345831B true GB2345831B (en) | 2001-01-10 |
Family
ID=19557492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9926439A Expired - Fee Related GB2345831B (en) | 1998-11-07 | 1999-11-08 | Device for detecting synchronization in a digital broadcasting receiving system |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100510637B1 (en) |
DE (1) | DE19953184B4 (en) |
GB (1) | GB2345831B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100411893B1 (en) * | 2001-07-09 | 2003-12-24 | 한국전자통신연구원 | Apparatus for Symbol Synchronization in an Orthogonal Frequency Division Multiplexing Receiver System and Method Thereof |
KR100672578B1 (en) * | 2004-11-17 | 2007-01-24 | 엘지전자 주식회사 | Apparatus and method for sync acquisition of time area |
US8279943B2 (en) | 2005-07-20 | 2012-10-02 | Entropic Communications, Inc. | Method for reception of DVB-H signals and DVB-H receiver |
KR100662373B1 (en) * | 2005-12-14 | 2007-01-02 | 엘지전자 주식회사 | Apparatus for detecting synchronizaton of received signals and method thereof |
US7864884B2 (en) | 2006-04-27 | 2011-01-04 | Nokia Corporation | Signal detection in OFDM system |
US8045927B2 (en) | 2006-04-27 | 2011-10-25 | Nokia Corporation | Signal detection in multicarrier communication system |
US8345734B2 (en) | 2006-08-18 | 2013-01-01 | Entropic Communications, Inc. | Time error estimation for data symbols |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0840485A2 (en) * | 1996-10-31 | 1998-05-06 | Discovision Associates | Method and circuit for the synchronization of an OFDM receiver |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9302453L (en) * | 1993-07-20 | 1994-10-17 | Telia Ab | Method and apparatus for synchronization in digital transmission system of type OFDM |
SE514986C2 (en) * | 1995-03-01 | 2001-05-28 | Telia Ab | Method and device for synchronization with OFDM systems |
WO1997007620A1 (en) * | 1995-08-16 | 1997-02-27 | Philips Electronics N.V. | Transmission system with improved symbol processing |
KR100230271B1 (en) * | 1997-01-10 | 1999-11-15 | 윤종용 | The fine fft window position recovery apparatus for ofdm system |
-
1998
- 1998-11-07 KR KR1019980047676A patent/KR100510637B1/en not_active IP Right Cessation
-
1999
- 1999-11-04 DE DE19953184A patent/DE19953184B4/en not_active Expired - Fee Related
- 1999-11-08 GB GB9926439A patent/GB2345831B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0840485A2 (en) * | 1996-10-31 | 1998-05-06 | Discovision Associates | Method and circuit for the synchronization of an OFDM receiver |
Also Published As
Publication number | Publication date |
---|---|
DE19953184B4 (en) | 2005-05-04 |
KR20000031569A (en) | 2000-06-05 |
DE19953184A1 (en) | 2000-06-15 |
KR100510637B1 (en) | 2006-02-28 |
GB9926439D0 (en) | 2000-01-12 |
GB2345831A (en) | 2000-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20161108 |